#!/usr/bin/env python """This is a blind proxy that we use to get around browser restrictions that prevent the Javascript from loading pages not on the same server as the Javascript. This has several problems: it's less efficient, it might break some sites, and it's a security risk because people can use this proxy to browse the web and possibly do bad stuff with it. It only loads pages via http and https, but it can load any content type. It supports GET and POST requests.""" import urllib2 import cgi import sys, os # Designed to prevent Open Proxy type stuff. # Add your hosts to be proxied here... allowedHosts = ['msgcpp-ogc-realtime.knmi.nl', 'www.kich.nl', 'open.mapquestapi.com', 'gis.kademo.nl', 'kademo.nl', 'www.dinoservices.nl','geodata.nationaalgeoregister.nl','www2.demis.nl', 'maps.opengeo.org', 'demo.opengeo.org','data.fao.org','suite.opengeo.org'] method = os.environ["REQUEST_METHOD"] # Fetch the url query param if method == "POST": qs = os.environ["QUERY_STRING"] d = cgi.parse_qs(qs) if d.has_key("url"): url = d["url"][0] else: url = "http://www.openlayers.org" else: fs = cgi.FieldStorage() url = fs.getvalue('url', "http://www.openlayers.org") try: host = url.split("/")[2] if allowedHosts and not host in allowedHosts: print "Status: 502 Bad Gateway" print "Content-Type: text/plain" print print "Proxy blocked access to host: %s" % host print print os.environ elif url.startswith("http://") or url.startswith("https://"): if method == "POST": length = int(os.environ["CONTENT_LENGTH"]) headers = {"Content-Type": os.environ["CONTENT_TYPE"]} body = sys.stdin.read(length) r = urllib2.Request(url, body, headers) y = urllib2.urlopen(r) else: y = urllib2.urlopen(url) # print content type header i = y.info() if i.has_key("Content-Type"): print "Content-Type: %s" % (i["Content-Type"]) else: print "Content-Type: text/plain" print print y.read() y.close() else: print "Content-Type: text/plain" print print "Illegal request." except Exception, E: print "Status: 500 Unexpected Error" print "Content-Type: text/plain" print print "Some unexpected error occurred. Error text was:", E